Answer:
B
Explanation:
Self-esteem is how we precieve ourselves, and varies from person to person.
By he NIH trying a new drug to help reduce pain associated with sickle-cell anemia, it's an example of an "experiment".
An experiment involves a hypothesis (an educated guess as to what's going to happen) and trying out the hypothesis and finding the solution.
I will try to give you the best answer by completing your statement.
During a marathon, approximately 99% of your muscles needs are met by the OES or Oxygen Energy System. Energy systems are the ones encharge of distributing the energy you need for a certain act.
Answer:
Maintaining a healthy body weight is not too hard and neither it is too easy.
It is very important to maintain a healthy diet that consists of balanced proportions of vegetable, fruits and protein.
In addition, it is essential to exercise every single day for a set amount of time to stay active and healthy. otherwise the body will get used to no work and the food will add to gaining weight instead of balancing it with exercise.
Answer:
C
Explanation:
Puberty occurs when a part of the brain called the hypothalamus begins to produce a hormone (gonadotropin) that has an effect on the testes and ovaries causing an increase sex hormone — estrogen in girls and testosterone in boys.
